Home / 653,976.36-980,563.08-254,150.28

Finding the Fourth Proportional to 653,976.36, 980,563.08 and 254,150.28

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Solution

The fourth proportional to 653,976.36, 980,563.08 and 254,150.28 is: 381,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,976.36 : 980,563.08 = 254,150.28 : x
  2. Step 2: Convert to fraction form
    653,976.36/980,563.08 = 254,150.28/x
  3. Step 3: Cross multiply
    653,976.36x = 980,563.08 × 254,150.28
  4. Step 4: Simplify right side
    653,976.36x = 249,210,381,339.66
  5. Step 5: Solve for x
    x = 249,210,381,339.66/653,976.36
  6. Step 6: Final answer
    x = 381,069.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.